EP4036266A4 - Acier pour structures d'alliage et procédé de fabrication associé - Google Patents

Acier pour structures d'alliage et procédé de fabrication associé Download PDF

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Publication number
EP4036266A4
EP4036266A4 EP20869967.8A EP20869967A EP4036266A4 EP 4036266 A4 EP4036266 A4 EP 4036266A4 EP 20869967 A EP20869967 A EP 20869967A EP 4036266 A4 EP4036266 A4 EP 4036266A4
Authority
EP
European Patent Office
Prior art keywords
steel
manufacturing
method therefor
alloy structure
alloy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20869967.8A
Other languages
German (de)
English (en)
Other versions
EP4036266A1 (fr
Inventor
Hongguang ZHENG
Xiangchun LIU
Junjiang LIU
Ruiyin ZHAI
Genjie WAN
Yangqing XIA
Qingyu Meng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP4036266A1 publication Critical patent/EP4036266A1/fr
Publication of EP4036266A4 publication Critical patent/EP4036266A4/fr
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/58—Oils
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Steel (AREA)
EP20869967.8A 2019-09-27 2020-09-27 Acier pour structures d'alliage et procédé de fabrication associé Pending EP4036266A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910920640.7A CN112575242B (zh) 2019-09-27 2019-09-27 一种合金结构用钢及其制造方法
PCT/CN2020/118043 WO2021057954A1 (fr) 2019-09-27 2020-09-27 Acier pour structures d'alliage et procédé de fabrication associé

Publications (2)

Publication Number Publication Date
EP4036266A1 EP4036266A1 (fr) 2022-08-03
EP4036266A4 true EP4036266A4 (fr) 2023-06-14

Family

ID=75109576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20869967.8A Pending EP4036266A4 (fr) 2019-09-27 2020-09-27 Acier pour structures d'alliage et procédé de fabrication associé

Country Status (6)

Country Link
US (1) US20220349035A1 (fr)
EP (1) EP4036266A4 (fr)
JP (1) JP7443502B2 (fr)
KR (1) KR20220054862A (fr)
CN (1) CN112575242B (fr)
WO (1) WO2021057954A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115874109B (zh) * 2021-09-29 2024-07-12 宝山钢铁股份有限公司 一种合金冷镦钢及其制造方法
CN113957338A (zh) * 2021-10-09 2022-01-21 南京钢铁股份有限公司 一种含镁45钢及其制备工艺
CN116694980B (zh) * 2023-05-24 2024-07-30 广州广钢新材料股份有限公司 一种高抗拉强度、抗弯强度的盘螺钢制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU521343A1 (ru) * 1974-11-25 1976-07-15 Институт Проблем Литья Ан Украинской Сср Литейна сталь
JPH07138697A (ja) * 1993-11-12 1995-05-30 Nippon Steel Corp 疲労強度、冷間加工性の優れた亜共析黒鉛析出鋼
JP2003147482A (ja) * 2001-11-14 2003-05-21 Nippon Steel Corp 非調質高強度・高靭性鍛造品およびその製造方法
US20090047169A1 (en) * 2006-03-15 2009-02-19 Kab. Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Rolled material for fracture split connecting rod excelling in fracture splittability, hot forged part for fracture split connecting rod excelling in fracture splittability, and fracture split connecting rod
CN104178691A (zh) * 2014-08-22 2014-12-03 首钢总公司 一种高强度冶金锯片用钢及其热处理方法
CN105803308A (zh) * 2016-03-19 2016-07-27 上海大学 一种含镁钙的45MnVS易切削非调质钢及其制造方法

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Publication number Priority date Publication date Assignee Title
JPS58164721A (ja) * 1982-03-24 1983-09-29 Kobe Steel Ltd 高靭性高強度構造用鋼の製造法
JPS6123715A (ja) * 1984-07-10 1986-02-01 Nippon Steel Corp 高張力高靭性鋼板の製造法
GB2287956B (en) * 1994-03-31 1998-02-04 Daewoo Heavy Ind Co Ltd Thermal refiningless hot-rolled steel and method of making same
JP2000219936A (ja) * 1999-02-01 2000-08-08 Daido Steel Co Ltd 快削鋼
JP4031607B2 (ja) 2000-04-05 2008-01-09 新日本製鐵株式会社 結晶粒の粗大化を抑制した機械構造用鋼
JP2007314819A (ja) * 2006-05-23 2007-12-06 Kobe Steel Ltd 耐疲労亀裂進展性に優れた鋼板
BRPI0817570B1 (pt) * 2007-10-30 2017-05-23 Nippon Steel & Sumitomo Metal Corp tubo de aço e método para a produção do mesmo
JP5892147B2 (ja) 2013-03-29 2016-03-23 Ｊｆｅスチール株式会社 高強度熱延鋼板およびその製造方法
JP6388034B2 (ja) 2014-10-16 2018-09-12 新日鐵住金株式会社 高炭素鋼板及びその製造方法
CA2966476C (fr) * 2014-11-18 2020-05-12 Jfe Steel Corporation Feuille d'acier epaisse, haute durete, haute tenacite ayant une excellente uniformite de matiere et son procede de fabrication
WO2016190397A1 (fr) * 2015-05-26 2016-12-01 新日鐵住金株式会社 Tôle d'acier et son procédé de fabrication
JP6855678B2 (ja) * 2016-02-18 2021-04-07 日本製鉄株式会社 鋼板の製造方法
WO2017164346A1 (fr) * 2016-03-25 2017-09-28 新日鐵住金株式会社 Tôle d'acier à haute résistance et tôle d'acier galvanisé à haute résistance
KR20190014081A (ko) * 2016-07-11 2019-02-11 신닛테츠스미킨 카부시키카이샤 내응력 부식 균열성이 우수한 보일러용 전봉 강관 및 그의 제조 방법
JP6648646B2 (ja) 2016-07-20 2020-02-14 日本製鉄株式会社 低合金鋼材、低合金鋼管および容器、ならびにその容器の製造方法
CN106834931B (zh) 2017-03-28 2019-05-14 宁波禾顺新材料有限公司 一种抗热疲劳的热作模具钢及其制备方法
CN107312908A (zh) * 2017-07-06 2017-11-03 北京科技大学 一种非调质钢中改善MnS夹杂物形态的冶金方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU521343A1 (ru) * 1974-11-25 1976-07-15 Институт Проблем Литья Ан Украинской Сср Литейна сталь
JPH07138697A (ja) * 1993-11-12 1995-05-30 Nippon Steel Corp 疲労強度、冷間加工性の優れた亜共析黒鉛析出鋼
JP2003147482A (ja) * 2001-11-14 2003-05-21 Nippon Steel Corp 非調質高強度・高靭性鍛造品およびその製造方法
US20090047169A1 (en) * 2006-03-15 2009-02-19 Kab. Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Rolled material for fracture split connecting rod excelling in fracture splittability, hot forged part for fracture split connecting rod excelling in fracture splittability, and fracture split connecting rod
CN104178691A (zh) * 2014-08-22 2014-12-03 首钢总公司 一种高强度冶金锯片用钢及其热处理方法
CN105803308A (zh) * 2016-03-19 2016-07-27 上海大学 一种含镁钙的45MnVS易切削非调质钢及其制造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021057954A1 *

Also Published As

Publication number Publication date
WO2021057954A9 (fr) 2022-04-14
JP7443502B2 (ja) 2024-03-05
JP2022550358A (ja) 2022-12-01
CN112575242A (zh) 2021-03-30
KR20220054862A (ko) 2022-05-03
EP4036266A1 (fr) 2022-08-03
CN112575242B (zh) 2022-06-24
WO2021057954A1 (fr) 2021-04-01
US20220349035A1 (en) 2022-11-03

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